---
title: Windows
description: Download Jan on Windows to run AI models locally. Jan is a free, open-source ChatGPT alternative to run offline.
keywords:
  [
    Jan,
    Customizable Intelligence, LLM,
    Jan on Windows,
    local AI,
    privacy focus,
    free and open source,
    private and offline,
    conversational AI,
    no-subscription fee,
    large language models,
    quickstart,
    getting started,
    using AI model,
    installation,
    "desktop"
  ]
twitter:
  card: summary_large_image
  site: "@jandotai"
  title: "Jan on Windows"
  description: "Download Jan on Windows to run AI models locally. Jan is a free, open-source ChatGPT alternative to run offline."
---

import { Tabs, Callout, Steps } from 'nextra/components'
import FAQBox from '@/components/FaqBox'
import { Settings } from 'lucide-react'


# Windows Installation

## Compatibility

**System requirements:**
- **Operating System**: Windows 10 or higher.
- **CPU**

<Tabs items={['Intel', 'AMD']}>
<Tabs.Tab>
- Intel: Haswell (Q2 2013) or newer
- Intel Celeron/Pentium: Tiger Lake (Q3 2020) or newer
</Tabs.Tab>
<Tabs.Tab>
- Excavator processors (Q2 2015) and newer.
</Tabs.Tab>
</Tabs>

<Callout type="info">
Processor must support **AVX2 or newer**. See [full list of supported processors](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#CPUs_with_AVX2).
Performance is significantly degraded on AVX-only processors.
</Callout>

**Memory (RAM)**
- 8GB → up to 3B parameter models (int4)
- 16GB → up to 7B parameter models (int4)
- 32GB → up to 13B parameter models (int4)

<Callout type="info">
Newer RAM generations provide better performance.
</Callout>

**GPU**:
- 6GB → up to 3B parameter models
- 8GB → up to 7B parameter models
- 12GB → up to 13B parameter models

<Callout type="info">
Minimum 6GB VRAM recommended for NVIDIA, AMD, or Intel Arc GPUs.
</Callout>

**Storage:** 10GB free space minimum for app and models


## Install Jan

<Steps>

### Step 1: Download Application

<Tabs items={['Stable Release', 'Beta Release', 'Nightly Release']}>
<Tabs.Tab>
- [Download Stable Jan](https://app.jan.ai/download/latest/win-x64)
- Official Website: [Download Jan](https://jan.ai/download)
</Tabs.Tab>
<Tabs.Tab>

Beta: Contains newer features but may be unstable

[Download Beta Jan](https://app.jan.ai/download/beta/win-x64)

<Callout type="warning">
May be unstable
</Callout>
</Tabs.Tab>
<Tabs.Tab>

Nightly: Development build with latest features

[Download Nightly Jan](https://app.jan.ai/download/nightly/win-x64)

<Callout type="warning">
Unstable development build
</Callout>
</Tabs.Tab>
</Tabs>

### Step 2: Install Application

1. Run the downloaded `.exe` file
2. Wait for installation to complete
3. Launch Jan

</Steps>

## Data Folder

Default installation path:

```sh
# Default installation directory
~\Users\<YourUsername>\AppData\Roaming\Jan\data
```

See [Jan Data Folder](/docs/desktop/data-folder) for complete folder structure details.


## GPU Acceleration

<Tabs items={['NVIDIA GPU', 'AMD GPU', 'Intel Arc GPU']}>

<Tabs.Tab>

<Steps>

### Step 1: Verify Hardware & Install Dependencies
**1.1. Check GPU Detection**

Verify GPU is recognized:
- Right-click desktop > NVIDIA Control Panel
- Or check Device Manager > Display Adapters

**1.2. Install Required components**
**NVIDIA Driver:**
1. Install [NVIDIA Driver](https://www.nvidia.com/en-us/drivers/) (version **470.63.01 or higher**)
2. Verify installation:

```sh
nvidia-smi
```

**CUDA Toolkit:**
1. Install [CUDA toolkit](https://developer.nvidia.com/cuda-downloads) (**11.7 or higher**)
2. Verify installation:

```sh
nvcc --version
```
### Step 2: Enable GPU Acceleration

Navigate to **Settings** (<Settings width={16} height={16} style={{display:"inline"}}/>) > **Hardware** > **GPUs**
and toggle the **ON** switch if not enabled.

</Steps>

</Tabs.Tab>

<Tabs.Tab>
AMD GPUs require **Vulkan** support.

Navigate to **Settings** (<Settings width={16} height={16} style={{display:"inline"}}/>) > **Hardware** > **GPUs**
and toggle the **ON** switch if not enabled.
</Tabs.Tab>

<Tabs.Tab>
Intel Arc GPUs require **Vulkan** support.

Navigate to **Settings** (<Settings width={16} height={16} style={{display:"inline"}}/>) > **Hardware** > **GPUs**
and toggle the **ON** switch if not enabled.
</Tabs.Tab>
</Tabs>


## Uninstall Jan

<Steps>

### Step 1: Remove Application through Control Panel

1. Open **Control Panels**
2. Go to **Programs** section
3. Click **Uninstall Program**
4. Search for **Jan**
5. Click the **Three Dots Icon** > **Uninstall**
6. Click **Uninstall** again to confirm
7. Click **OK**

### Step 2: Clean Up Remaining Files

Remove app data:

1. Navigate to `C:\Users\[username]\AppData\Roaming`
2. Delete Jan folder

or via **Terminal**:

```sh
cd C:\Users\%USERNAME%\AppData\Roaming
rmdir /S Jan
```
</Steps>

<Callout type="warning">
Deleted data folders cannot be recovered. Backup important data first.
</Callout>
